Efficient migration of Mott-Wannier excitons to Frenkel excitons in hybrid organic/inorganic assembly of CdSe/ZnS nanocrystals in MDMO-PPV homopolymers

摘要

Organic materials exhibit advanced light emitting properties. For light generation Förster resonance energy transfer (FRET) provides an efficient pumping mechanism. To efficiently excite these materials it is expected that the energy transfer lifetime is comparable to or faster than the recombination lifetime of the donor [1]. For that, it is a good choice to use inorganic materials as donor, which exhibit recombination lifetimes of tens of nanoseconds and feature Mott-Wannier type excitons. Therefore inorganic materials used as donor provides us with an efficient pumping tool of FRET for organic materials used as acceptors.